Home / 2,154.32-3,230.76-837.98

Finding the Fourth Proportional to 2,154.32, 3,230.76 and 837.98

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Solution

The fourth proportional to 2,154.32, 3,230.76 and 837.98 is: 1,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.32 : 3,230.76 = 837.98 : x
  2. Step 2: Convert to fraction form
    2,154.32/3,230.76 = 837.98/x
  3. Step 3: Cross multiply
    2,154.32x = 3,230.76 × 837.98
  4. Step 4: Simplify right side
    2,154.32x = 2,707,296.11
  5. Step 5: Solve for x
    x = 2,707,296.11/2,154.32
  6. Step 6: Final answer
    x = 1,256.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.